Document Type : Original Article
Authors
1 General Authority for Health Insurance Hospital, Sednawy, Cairo, Egypt.
2 Agric. Microbiology Dept., Fac. of Agric., Ain Shams Univ., P.O. Box 68, Hadayek Shobra 11241, Cairo, Egypt
3 Holding Company for Biological product and vaccines, Giza, Egypt.
Abstract
Keywords